Valve and valve-actuating arrangement of internal-combustion engines.



s. I. PARKER. VALVE AND VALVE ACTUATING ARRANGEMENT OF INTERNAL COMBUSTION ENGINES. APPLICATION FILED SEPT.17, 1901".

964,308., atented Ju 1y 12,1910.

3 SHEE'ISr-SHIIET 1.

S. I. PARKER. VALVE AND VALVE AOTUATING ARRANG EMBNT OF INTERNAL COMBUSTION ENGINES. TION FILED SEPT. 17. 1909.

APPLIGA Patented July 12, 1910.

3 SHEETS-SHEET 2 w T w M} y Y m w f m .a u s s f A a l j m v I. PARKER. VALVE AND VALVE AOTUATING ARRANGEMENT OF INTERNAL COMBUSTION ENGINES.

APPLICATION TILED SEPT.17, 1909.

96 %,3Q8 PatentedJuly12,1910.

3 SHEETS-SHEET 3.

WITNESSES [A/VE/VTDH Samuel Isaac par/fer 1/ Jame I UNITED straw gnrir OFFICE SAlltlIU'IilIlli ISAAC PARKER, 01: TEDDINGTON, ENGLAND.

VALVE Ann museu s. ARRANGEMENT or INTERNAL-COMBUSTION enemas.

To all whom it may comm: I

Be it .known that LSAMUEL Isaac PAR- KER, a subject of the King of Great Britain and Ireland, and resident of Teddington,

county of 'Middlesex, England, have invented certain new and useful Improve-- ments in Valves and Valve-Aetuating Ar rangements of Internal-Combustion Engines, of which the following is a specification.

This invention relates to internal combustion engines and has particular reference to the valves and valve-actuating means of such engines, the chief object being to provide an improved distributing valve arrangementwhereby the mushroom or other valves for the inlet and exhaust, and the necessary actuating gear for the same, are dispensed with.

According to this invention 1 rovide a cylindrical distributing valve inclosing the piston, which valve is formed with aport or ports and rotated to cover or uncover the inlet and exhaust ports in the wall of the cylinder in proper sequence by means of a projection on the piston or on a member attached to the piston cngagin in a suitable cam groove formed in the distributing valve.

valve has imparted thereto a stcp-by-step rotary movement inone direction. The said valve durin one revolution opens the inlet port, closes both the inlet and exhaust ports during com ression and explosion, and opens the ex iaust port during the scaveng ing stroke of the piston. i

In order that my said invention may be clearly understood and readily carried into effect I will describe the same more fully with reference to the accompanying drawings in which e Figure 1 is a sectional elevation. Fig. 2 is a cross section on the line A, B of Fig. 1. Fig. 3 is a cross section on the line C, D of Fig. 1. Figs. fl: and 5 are elevations of the inner and outer piston respectively; and, Fig. Gus a view showing the development of the cam groove formed in the distributing The said cam groove may-be so constructed that the v Specification of Letters Patent. Patented July 12, 1910. Application filed September 17, 1909. Serial No. 518,209. i

causedlto rotate by the engagement of two outer surface of the distributing valve C. The said groove, which is the same height-as the stroke of the piston, is continuous around the surface of the valve as shown in Fig. 6, the valve advancing through an angle of 90 on each of the downward and upward strokes of the piston. The aforesaid rollersQ are mounted on pins C screwed in. the outer rollers :G in a cam groove D formed in the piston B, each of the said pins 0 also.serv-- mg as a spindle upon which a roller C r0 tates. The said rollers C engage in longitudinalstraight grooves E formed in the wall E of the cylinder, thuspreventi'ng any tendency of. the'two pistons to rotate,fdue to the friction between the said pistons and the rotating valvel The rotary valve C" at a height corresponding fto thatot:

the inlet and exhaust ports F 'aud G, the

said port C, being of such a width that the inlet and exhaust ports are never at the same time in communication with the combustion chamber.

The outer surface ,of the valve C is formed with a circumferential groove 0* of slightly greater width than the height of the port C", within which groove is a ring 0', which is retained in position on the valve by a set screw 0' or by other suitable means. The ring a is discontinuous, leaving a gap of width correspomling to, that ofthe port C". Rings of smaller width, and of usual construction 0, c are also provided, one above and one below the broad ring a. The valve C which is constructed with a jacket for the reception of water is closed in at the top to form the combustion chamber H between it and the piston, the outer casing of the valve being provided with a screwed neck I for the water inlet and {outlet pipes: A central pipe .J serves as. .the

water inlet, while a coaxial pipe K of larger distributing valve two series of balls L, l

are provided, .the balls L placed between :i flange L of the valve and the wall E of the cylinder serving to revcnt downward displacement of the va ve,

C is formed with a port while the balls1-L' '3 are. placed between the said flange L and a-cap I, screwed on lhecylinder, to prevent upward movement of the valve.

The outeit piston '15 is provided with rings B" and is formed with'anumber of slots I The inner. piston- A i'salso lightened in a ';simil;ar:manne r by means of Having nowdescribed my invention, what Icia'imas new and desire to secure by Let,-

, ters'Pntent of-the United States is:-

- 1. An internal combustionengine, com-I prising a -pistoii member, ananguhirly displaceable controll ng valvejmember, and means for displacing the valve upon the movemeii t of the piston, said means-including acam-way formed in one inembcryand a projectionn'iovablein the cam-way and carried by the other member. 2. An internal combustion engine, comprising a p1ston,-'an angular-1y displaceable controlling valve having a czun ivay, and a pro ect1ou moved by the piston and operat- 'ing in the cam-way, to move the valve upon the moven1'ent of the piston.

3. In. aninternal 'combustion engine, a

piston, a rotatable valve having a continuouscain-ivuy, and a-projection c'arried ;by' the piston ,and operating in the cam-way to effect a step-by-step rotation of the valve.-

'4. In fan internalconibustion engine, a cylinder having a longitudinal groove, a

rotary jvalve located in the cylinder-and -having a cum groove, and-areeiprocatory piston having projections operatingin both grooves-i H I 5. In an internal eou'ibustion engine, a rotary valve constituting an explosion chamber, areeiprocatory piston operatiug. i n the valve, and IDIOQDS operated by the piston for 4 effecting a step-by-step rotary moveriient of 4 the valve.

f 6.- In' an internal combustion engine, a rotary valve constitut ng an explosion chamber, a reeiproeatory istonoperating'therein, and means carrie directly by the piston and engaging the ;-valve for efi'ecting t tary movem t; y n v 7. In an 1 cylinder,. a roturyvvalve located therein and constituting an explosion chamber,-a reciproczitoryv piston operating in the rotary valve, :mdjneans connected to the piston and'interposcd between the cylinder'and valve for effecting the movement of said valve.]-'

8. In an -inte'rnalcoinbusti0n engine, a cylinder, 21. rdtarvyalve located therein and spaced thcrefroimdin inner piston operating '1n'0ove in its outer side,'and said cylinder having-a vlongitudinal groove in its inner side, a reciprocatory piston-operating in the valve, ,an outer piston connected to the reciprocatory piston and interposed between thevalve and cylinder,and projections carried'by the outer piston and operating in the grooves.

'-In testimony ivliereof I have afiixed my signature.

. SAMUEL ISAAC PARKER.

In presence of-Y' BENJ', Tnos. KING, ROBIYHUN'TER.

nteriial combustion engine, a 

